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`ne, for instance, in the petent of C. Udell, Marcli 26, 1867',.tlierefore doy not wish to claim broadly the l use of hooks andarms,but

` What I do claimas new, and desire to secure by Letters Patent, isyi 1. In a combined' extension and step-ladder, the hooks 1,' and arm n,in combination with ladders A B, cord b, pulley mand crankshaift a d,all constructed, arranged, and operating substantially as described undfor thepurpos@ specified. i

2. In combination with the above', I-clairn the hook r and guides e,substantially as described.

3. The combined extension and step-ladder, constructed; substentialiy asdescribed, and consisting of the sections A B, hooks z', arm n, guidesc, pulley m, cord b, and crank-shaft a d, ell arranged and operatingsubstantially asset forth. V

GEORGE. S. WALKER.

Witnesses:

M. N, Loy/ELL, A.r BLETHEN.

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